Summary statistics for e4_c1_28 variable in hcris2552_10_2011 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
    e4_c1_28 |      1,221    .3404809     .157591    .000031    .853524

by Jean Roth , jroth@nber.org , 23 Aug 2018